Home / 51,241.58-70,712.16-28,582.76

Finding the Fourth Proportional to 51,241.58, 70,712.16 and 28,582.76

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Solution

The fourth proportional to 51,241.58, 70,712.16 and 28,582.76 is: 39,443.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,241.58 : 70,712.16 = 28,582.76 : x
  2. Step 2: Convert to fraction form
    51,241.58/70,712.16 = 28,582.76/x
  3. Step 3: Cross multiply
    51,241.58x = 70,712.16 × 28,582.76
  4. Step 4: Simplify right side
    51,241.58x = 2,021,148,698.36
  5. Step 5: Solve for x
    x = 2,021,148,698.36/51,241.58
  6. Step 6: Final answer
    x = 39,443.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.